一．根据句意或汉语意思，学出单词的正确形式。 1.they found the body buried _________________ (在……下面)a pile of leaves. 2.they are things that already _____________.(存在，生存) 3.as a share of the budget, defence spending has _______________(收缩，缩短) since 2001. 4.you performed ______________ （非常）well. 5.sleep disorders are conditions that ___________ (影响)how much and how well you sleep. 6.the tv has vast __________(影响)on national entertainment habits.
